#-------------------# 
# For circular flow , domain[-6,20]x[-6,6], with a circle at (0,0) radius 0.5#
#-------------------#

#========= 
| POINTS | 
=========# 
24 # number of points #

# Nodes which define the boundary # 
0:  0.0  0.0    0.9    1 
1:  22.0  0.0    1.5    1 
2:  22.0  4.0    1.5    1 
3:  0.0   4.0    0.9    1 

# Nodes which define the hole # 
    4:    2.5000    2.0000    0.1000    2
    5:    2.4755    1.8455    0.1000    2
    6:    2.4045    1.7061    0.1000    2
    7:    2.2939    1.5955    0.1000    2
    8:    2.1545    1.5245    0.1000    2
    9:    2.0000    1.5000    0.1000    2
   10:    1.8455    1.5245    0.1000    2
   11:    1.7061    1.5955    0.1000    2
   12:    1.5955    1.7061    0.1000    2
   13:    1.5245    1.8455    0.1000    2
   14:    1.5000    2.0000    0.1000    2
   15:    1.5245    2.1545    0.1000    2
   16:    1.5955    2.2939    0.1000    2
   17:    1.7061    2.4045    0.1000    2
   18:    1.8455    2.4755    0.1000    2
   19:    2.0000    2.5000    0.1000    2
   20:    2.1545    2.4755    0.1000    2
   21:    2.2939    2.4045    0.1000    2
   22:    2.4045    2.2939    0.1000    2
   23:    2.4755    2.1545    0.1000    2

#=========== 
| SEGMENTS | 
===========# 
24 # Number of segments #

# Boundary segments # 
0:  0  1    1 
1:  1  2    1 
2:  2  3    1 
3:  3  0    1 

# Hole segments # 
 4:   4   5    4
 5:   5   6    4
 6:   6   7    4
 7:   7   8    4
 8:   8   9    4
 9:   9  10    4
10:  10  11    4
11:  11  12    4
12:  12  13    4
13:  13  14    4
14:  14  15    4
15:  15  16    4
16:  16  17    4
17:  17  18    4
18:  18  19    4
19:  19  20    4
20:  20  21    4
21:  21  22    4
22:  22  23    4
23:  23   4    4
#24:  24  25    4
#25:  25  26    4
#26:  26  27    4
#27:  27  28    4
#28:  28  29    4
#29:  29  30    4
#30:  30  31    4
#31:  31  32    4
#32:  32  33    4
#33:  33   4    4